The Swamp of the Ravens (1974)

Name: The Swamp of the Ravens
Genre: Horror
Released: 1974-04-29
Duration: 87 min
Cast: Ramiro Oliveros, Marcelle Bichette, Fernando Sancho, Antonia Mas, César Carmigniani

Dr. Frosta dumps body parts and corpses in the marsh, where they rise up again for vengeance.